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0032314: Data Exchange - Reading corrupted STEP files crashes

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RWAxis2Placement3d:
 fixed problem with reading parameters ( if sub-entity invalid, set has-parameter to false )
This commit is contained in:
dpasukhi 2021-04-28 11:53:40 +03:00 committed by bugmaster
parent 62eafa5ac7
commit 36fbf05b15
1 changed files with 12 additions and 10 deletions
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22
src/RWStepGeom/RWStepGeom_RWAxis2Placement3d.cxx
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@ -50,26 +50,28 @@ void RWStepGeom_RWAxis2Placement3d::ReadStep
// --- own field : axis ---
Handle(StepGeom_Direction) aAxis;
Standard_Boolean hasAaxis = Standard_True;
if (data->IsParamDefined(num,3)) {
Standard_Boolean hasAaxis = Standard_False;
if (data->IsParamDefined(num,3))
{
//szv#4:S4163:12Mar99 `Standard_Boolean stat3 =` not needed
data->ReadEntity(num, 3,"axis", ach, STANDARD_TYPE(StepGeom_Direction), aAxis);
hasAaxis = data->ReadEntity(num, 3,"axis", ach, STANDARD_TYPE(StepGeom_Direction), aAxis);
}
else {
hasAaxis = Standard_False;
else
{
aAxis.Nullify();
}
// --- own field : refDirection ---
Handle(StepGeom_Direction) aRefDirection;
Standard_Boolean hasArefDirection = Standard_True;
if (data->IsParamDefined(num,4)) {
Standard_Boolean hasArefDirection = Standard_False;
if (data->IsParamDefined(num,4))
{
//szv#4:S4163:12Mar99 `Standard_Boolean stat4 =` not needed
data->ReadEntity(num, 4,"ref_direction", ach, STANDARD_TYPE(StepGeom_Direction), aRefDirection);
hasArefDirection = data->ReadEntity(num, 4,"ref_direction", ach, STANDARD_TYPE(StepGeom_Direction), aRefDirection);
}
else {
hasArefDirection = Standard_False;
else
{
aRefDirection.Nullify();
}